High Power 1550nm DFB Pigtailed Laser Diode For Digital Optical Transmission
| Place of Origin: | Zhejiang |
|---|
Company Profile
| Location: | Wuhan, Hubei, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Butterfly Laser Diode, Pigtailed Laser Diode, Pulsed Laser Diode |
Product Detail
| Model No.: | 1550nm high power laser diode |
|---|
Product Description
1550nm DFB high power laser diode for CATV, other analog or digital optical transmission
1550nm DFB Pigtailed Components(high power)
Features
1. Built - in optical isolator
2. Low capacitance and low dark current
3. High stability of DFB lasers die
4. Low threshold current , low operating current
5. Integrated high isolation , low insertion loss
Applications
CATV Reverse Transmission
Other Analog or Digital Optical Transmission
Optical & Electrical Characteristics
|
Parameter |
Symbol |
Min. |
Typ. |
Max. |
Unit |
Test Condition |
|
Rated Power |
Po |
6 |
8 |
10 |
mW |
Ith+40mA |
|
Slope Efficiency |
SE |
|
0.15 |
0.2 |
mW/mA |
|
|
Threshold Current |
Ith |
|
10 |
15 |
mA |
- |
|
Operating Current |
Iop |
|
50 |
70 |
mA |
|
|
Forward Voltage Drop |
Vop |
- |
1.0 |
1.2 |
V |
CW, Ith+40mA |
|
Cent Wavelength |
λc |
1540 |
1550 |
1560 |
nm |
- |
|
Spectrum Width(-3dB) |
Δλ |
- |
0.5 |
1 |
nm |
Ith+40mA |
|
Side-mode Suppression Ratio |
SMSR |
35 |
|
- |
dB |
- |
|
Bandwidth |
Bw |
|
2.5 |
|
GHz |
|
|
Monitor Current |
Im |
100 |
|
1200 |
uA |
CW, Ith+40mA |
|
Dark Current of Monitor |
Id |
- |
- |
100 |
nA |
5V |
|
Optical Isolation(Single stage) |
ISO |
35 |
40 |
- |
dB |
|
|
Optical Isolation(Double stage) |
ISO |
45 |
50 |
- |
dB |
|
|
Return loss |
RL |
|
|
-45 |
dB |
|
|
Analog Characteristic index |
||||||
|
Relative Intensity Noise |
RIN |
- |
-155 |
-150 |
dB/Hz |
- |
|
RF Bandpass Flatness |
BF |
|
±1.5 |
|
dB |
|
|
Third-order Distortion |
IMD3 |
- |
-55 |
- |
dBc |
|
|
Carrier Noise Ratio |
CNR |
51 |
- |
- |
dB |
Note 1 |
|
Composite Second Order |
CSO |
- |
- |
-57 |
dBc |
|
|
Composite Triple Beat |
CTB |
- |
- |
-65 |
dBc |
|
Note 1: If=Iop, Optical Modulation, Index=3.2%/channel (minimum), 60 PAL-D unmodulated carries (47 to 550MHz), 10km singlemode fiber, -1dBm received power, Receiver responsivity=0.85A/W.
If=Iop, Optical Modulation Index=3.2%/channel (minimum), CNR, CSO, CTB tested value at worst case over all test frequencies. NTSC 120ch., 10km singlemode fiber, -1dBm received power, Receiverresponsivity=0.85A/W